(W) Joshua Williamson, Michael Moreci (A) Pop Mhan (CA) Neil Googe 'A Cold Day in Hell' part one! When one of The Flash's Rogues is murdered inside Iron Heights prison, Barry Allen throws himself deep into the case, still reeling from the turmoil of his personal life! But when the clues begin to reveal an even greater conspiracy at work, The Flash soon discovers Iron Heights' deadliest secret... RATED T